CN102554221A - Hydrocarbon coated cermet powder and preparation method thereof - Google Patents
Hydrocarbon coated cermet powder and preparation method thereof Download PDFInfo
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- CN102554221A CN102554221A CN2012100526287A CN201210052628A CN102554221A CN 102554221 A CN102554221 A CN 102554221A CN 2012100526287 A CN2012100526287 A CN 2012100526287A CN 201210052628 A CN201210052628 A CN 201210052628A CN 102554221 A CN102554221 A CN 102554221A
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Abstract
Disclosed are hydrocarbon coated cermet powder and a preparation method thereof. The hydrocarbon coated cermet powder comprises components, by weight percentage, 0.1%-1% of hydrocarbon and 99%-99.9% of cermet powder. The preparation method includes steps of A, mixing the proportional hydrocarbon and boiled purified water in a container until the hydrocarbon is pasty; B, mixing the pasty hydrocarbon with cermet powder and stirring the same sufficiently; C, drying the mixed powder in an oven at the temperature ranging from 70 DEG C to 100 DEG C, breaking the dried mixed powder, filtering the same with a sieve of 80 meshes, and thereby obtaining the hydrocarbon coated cermet powder.
Description
Technical field
The present invention relates to the metal ceramic powder processing technique field, the hydrocarbon clad metal ceramic powders and the preparation method of particularly a kind of Laser Processing, used for hot spraying.
Background technology
Materialbearbeitung mit Laserlicht is a kind of novel manufacturing process that utilizes high energy laser beam to process, and is advanced material processing method in the present age.Laser Processing has many obvious superiority that surpass conventional manufacturing process, and its range of application is also very wide, as: laser melting coating, laser surface alloying etc.Laser melting coating is meant in high energy laser beam molten material local surfaces and adds metallic element or alloy and both changed the surface coating method that the material surface microstructure changes its composition; Its strengthening effect is the most remarkable; Vertically superpose through multilayer, laser melting coating also has the special performance of directly making metal parts fast flexibly.Laser surface alloying is a laser beam Fast Heating pre-arcing characterisitics of utilizing high-energy-density, makes the alloying element melt-blended of base material top layer and interpolation, thereby form with former base material does
BaseNew surface alloying layer.
At present, when forming the hydrocarbon ceramic composite coating, Laser Processing and hot-spraying technique have certain degree of difficulty both at home and abroad.When external carbon hydrogen compound ceramic phase content was high, cladding layer at high temperature was easy to take place oxidation reaction, causes the ablation of ceramic phase, therefore was necessary to obtain new hydrocarbon ceramic powders through additive method.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of hydrocarbon clad metal ceramic powders and preparation method are provided.
Technical scheme of the present invention is: a kind of hydrocarbon clad metal ceramic powders, and the percentage by weight of its each component is: hydrocarbon: 0.1 ﹪～1 ﹪; Metal ceramic powder: 99 ﹪～99.9 ﹪.
Described hydrocarbon is smart starch or cellulose hydrocarbon.
Described metal ceramic powder is Ni base alloy powder or diamondite powder or powder of stainless steel, and wherein Ni content is 60 ﹪～90 ﹪ in the Ni base alloy powder; Tungsten carbide content ﹤ 90 ﹪ in the diamondite powder, described percentage is weight percentage.
The present invention also provides a kind of preparation method of hydrocarbon clad metal ceramic powders, and its concrete operations step is following:
A, with the hydrocarbon of apolegamy and boiled after pure water insert in the container and to stir in the pasty state;
B, the hydrocarbon of inciting somebody to action in the pasty state mix with metal ceramic powder, then mixture are fully stirred;
C, mixed powder is placed in the baking oven, oven dry moisture under 70 ℃～100 ℃ environment, broken then, use 80 purpose sieve again, process hydrocarbon clad metal ceramic powders.
The present invention compared with prior art has following characteristics:
1, adopts internal soundness uniformity after the hydrocarbon clad metal ceramic powders Laser Processing that a process for preparing, the thermal spraying; Impurity content is extremely low; Processing performance is superior, satisfies the specification requirement of each application to Laser Processing, used for hot spraying metal ceramic powder fully.
2, the present invention has simplified other complicated metal ceramic powder preparations upward to the requirement of equipment, has reduced manufacturing cost, can extensively be suitable for.
Below in conjunction with the specific embodiment the present invention is further described.
The specific embodiment
Embodiment one, a kind of hydrocarbon clad metal ceramic powders, the percentage by weight of its each component is: smart starch: 0.5 ﹪; 200 purpose Ni base alloy powders: 99.5 ﹪, wherein Ni content is 80 ﹪ in the Ni base alloy powder.
Preparation method's concrete operations step of hydrocarbon clad metal ceramic powders is following:
A, the smart starch that will match and boiled after pure water insert in the container and stir in the pasty state;
B, the smart starch of inciting somebody to action in the pasty state mix with 200 purpose Ni base alloy powders, then mixture are fully stirred;
C, mixed powder is placed in the baking oven, oven dry moisture under 100 ℃ of environment uses mixer broken then, uses 80 purpose sieve again, processes-80 purpose hydrocarbon clad metal ceramic powders.
On the 20# steel plate, adopt flame-spraying hydrocarbon clad metal ceramic powders, the powder particle size is-80 orders, the sample testing situation: it is respond well that hydrocarbon coats the aluminium powder thermal spraying, and tissue is fine and smooth fine and close.Result of the test shows: hydrocarbon clad metal ceramic powders ablation situation in thermal spray process obviously descends.
Embodiment two, a kind of hydrocarbon clad metal ceramic powders, the percentage by weight of its each component is: smart starch: 0.5 ﹪; 200 purposes, 304 powder of stainless steel: 99.5 ﹪.
Preparation method's concrete operations step of hydrocarbon clad metal ceramic powders is following:
A, the smart starch that will match and boiled after pure water insert in the container and stir in the pasty state;
B, the smart starch of inciting somebody to action in the pasty state mix with 200 purposes, 304 powder of stainless steel, then mixture are fully stirred;
C, mixed powder is placed in the baking oven, oven dry moisture under 100 ℃ of environment uses mixer broken then, uses 80 purpose sieve again, processes-80 purpose hydrocarbon clad metal ceramic powders.
Cladding hydrocarbon clad metal ceramic powders on the 20# steel plate; Laser power is 1800W, and preheat temperature is 120 ° of C, under the argon shield synchronous powder feeding system situation; The sample testing situation: hydrocarbon clad metal ceramic powders, the defective average area is 0.0114 μ m after the cladding
2, average tensile strength is 612MPa, percentage elongation is 23.87%.Result of the test shows: hydrocarbon coats 304 powder of stainless steel defective in laser cladding process and obviously descends, and mechanical performance improves greatly.
Embodiment three, a kind of hydrocarbon clad metal ceramic powders, the percentage by weight of its each component is: the cellulose hydrocarbon: 0.5 ﹪; 200 purpose diamondite powder: 99.5 ﹪, wherein tungsten carbide content ﹤ 90 ﹪ in the diamondite powder.
Preparation method's concrete operations step of hydrocarbon clad metal ceramic powders is following:
A, with the cellulose hydrocarbon of apolegamy and boiled after pure water insert in the container and to stir in the pasty state;
B, general's cellulose hydrocarbon and 200 purpose diamondite powder mixes in the pasty state fully stir mixture then;
C, mixed powder is placed in the baking oven, oven dry moisture under 100 ℃ of environment uses mixer broken then, uses 80 purpose sieve again, processes-80 purpose hydrocarbon clad metal ceramic powders.
Cladding hydrocarbon clad metal ceramic powders on the 20# steel plate, the powder particle size is-80 orders, laser power is 4300W; Laser facula translational speed 4mm/s; Under the argon shield synchronous powder feeding system situation, the sample testing situation: hydrocarbon coats WC-12Co powder, W
2C Wt%=33.3%, Co
3W
3C Wt%=53.1%, WC Wt%=13.7%, cladding layer average hardness 63.43HRC.Result of the test shows: hydrocarbon clad metal ceramic powders ablation situation in laser cladding process descends greatly.
Claims (2)
1. hydrocarbon clad metal ceramic powders, it is characterized in that: the percentage by weight of its each component is: hydrocarbon: 0.1 ﹪～1 ﹪; Metal ceramic powder: 99 ﹪～99.9 ﹪;
Described hydrocarbon is smart starch or cellulose hydrocarbon;
Described metal ceramic powder is Ni base alloy powder or diamondite powder or powder of stainless steel, and wherein Ni content is 60 ﹪～90 ﹪ in the Ni base alloy powder; Tungsten carbide content ﹤ 90 ﹪ in the diamondite powder, described percentage is weight percentage.
2. preparation technology's method of a kind of hydrocarbon clad metal ceramic powders according to claim 1 is characterized in that: its concrete operations step is following:
A, with the hydrocarbon of apolegamy and boiled after pure water insert in the container and to stir in the pasty state;
B, the hydrocarbon of inciting somebody to action in the pasty state mix with metal ceramic powder, then mixture are fully stirred;
C, mixed powder is placed in the baking oven, oven dry moisture under 70 ℃～100 ℃ environment, broken then, use 80 purpose sieve again, process hydrocarbon clad metal ceramic powders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210052628.7A CN102554221B (en) | 2012-03-02 | 2012-03-02 | Hydrocarbon coated cermet powder and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210052628.7A CN102554221B (en) | 2012-03-02 | 2012-03-02 | Hydrocarbon coated cermet powder and preparation method thereof |
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| CN102554221A true CN102554221A (en) | 2012-07-11 |
| CN102554221B CN102554221B (en) | 2014-06-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213065A (en) * | 2014-09-15 | 2014-12-17 | 南华大学 | Method for preparing glass ceramic coating layer by thermal spraying-laser in-situ reaction compound technology |
| CN105081313A (en) * | 2015-09-14 | 2015-11-25 | 南华大学 | Method for preparing laser cladding layer through double-layer organic coating iron-based alloy powder |
| CN107354457A (en) * | 2017-07-25 | 2017-11-17 | 南华大学 | The laser formation method of metal dust |
| CN110434327A (en) * | 2019-08-29 | 2019-11-12 | 西安交通大学 | A kind of reproducible great friction coefficient wear-resistant coating of high roughness and preparation method thereof |
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| JPH03202430A (en) * | 1989-12-29 | 1991-09-04 | Fujitsu Ltd | Manufacture of magnesium series sintered alloy and magnesium series composite material |
| US5837048A (en) * | 1997-07-18 | 1998-11-17 | Caterpillar Inc. | Flowable powder for high temperature plasma spray coating applications |
| EP1126043A1 (en) * | 2000-02-17 | 2001-08-22 | Fujimi Incorporated | Spray powder, thermal spraying process using it, and sprayed coating |
| US20060213326A1 (en) * | 2005-03-28 | 2006-09-28 | Gollob David S | Thermal spray feedstock composition |
| CN101372038A (en) * | 2007-08-20 | 2009-02-25 | 贺利氏有限公司 | Homogenous granulated metal based and metal-ceramic based powders |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03202430A (en) * | 1989-12-29 | 1991-09-04 | Fujitsu Ltd | Manufacture of magnesium series sintered alloy and magnesium series composite material |
| US5837048A (en) * | 1997-07-18 | 1998-11-17 | Caterpillar Inc. | Flowable powder for high temperature plasma spray coating applications |
| EP1126043A1 (en) * | 2000-02-17 | 2001-08-22 | Fujimi Incorporated | Spray powder, thermal spraying process using it, and sprayed coating |
| US20060213326A1 (en) * | 2005-03-28 | 2006-09-28 | Gollob David S | Thermal spray feedstock composition |
| CN101372038A (en) * | 2007-08-20 | 2009-02-25 | 贺利氏有限公司 | Homogenous granulated metal based and metal-ceramic based powders |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213065A (en) * | 2014-09-15 | 2014-12-17 | 南华大学 | Method for preparing glass ceramic coating layer by thermal spraying-laser in-situ reaction compound technology |
| CN104213065B (en) * | 2014-09-15 | 2019-02-22 | 南华大学 | A kind of method that thermal spraying-laser in-situ reaction combination process prepares glass ceramic coating |
| CN105081313A (en) * | 2015-09-14 | 2015-11-25 | 南华大学 | Method for preparing laser cladding layer through double-layer organic coating iron-based alloy powder |
| CN105081313B (en) * | 2015-09-14 | 2016-12-07 | 南华大学 | The method that double-deck Coated with Organic Matter iron(-)base powder prepares laser cladding layer |
| CN107354457A (en) * | 2017-07-25 | 2017-11-17 | 南华大学 | The laser formation method of metal dust |
| CN107354457B (en) * | 2017-07-25 | 2019-03-12 | 南华大学 | The laser formation method of metal powder |
| CN110434327A (en) * | 2019-08-29 | 2019-11-12 | 西安交通大学 | A kind of reproducible great friction coefficient wear-resistant coating of high roughness and preparation method thereof |
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| CN102554221B (en) | 2014-06-11 |
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